For transposing trackerbars, thin wall is easier to work with
in most cases. I have a couple of pages about retubing the bar
that should make the job easier. While they aren't directly
related to a transposing bar, the techniques are identical.
The 'trick' I use to put the tubes on as easily as possible
is to dip a 1/16" of the end of the tube in WD-40. Then dab
the very end of the tube on a piece of paper towel to remove
any excess lubricant. Then the tube slips on without much
effort. (Be sure to note how far the tubes were put on the
nipples originally, and push the new tubes on at least that
far.)

If you have a heat gun, it will be the easiest way to remove
the old tubing. Just apply enough heat to free the tubing. I
always remove the bar to clean off the old tubing. It's just
much easier that way. The roll tracking components can be a
little tricky. So take lots of pictures so you know exactly
where everything belongs. It also helps to make a list of
the order in which things were taken apart. That way you're
less likely to forget the way things go back together.

================================================================

On 3/11/2010 12:13 AM, Matt Lietzke wrote:

Mr. Tuttle,

An update: I was able to get the upper action out, it was not difficult at
all. I am a fairly handy guy but this piano has been intimidating me. But
the more I read your website, the more I convinced myself I could do it, and
it wasn't that bad!

After looking things over, the rubber tubing in the tracker bar is shot. Two
tubes were broken (the 2 notes that were stuck 'on'), and I can hear hissing
from other tubes, I guess there is some leakage that is enough to hear but
not enough to turn on a note. All of the tubing is hard and not very
flexible.

So I need enough tubing to redo the trackerbar. It appears to me that the
lead pipes are OK so I'm not going to replace those... Can I add this to the
order I placed today and save on shipping? I'm hoping you can tell me what
size I need and how much, and I'll order 20% extra in case I make any
mistakes. I'll go with your recommendation as to whether to use the thicker
wall vs. thinner wall tubing.

This page was last revised
February 8, 2013 by John A. Tuttle, who Assumes No
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